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Biogen

950 hedge funds and large institutions have $25.9B invested in Biogen in 2022 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 318 increasing their positions, 388 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

12% less capital invested

Capital invested by funds: $29.5B → $25.9B (-$3.65B)

18% less repeat investments, than reductions

Existing positions increased: 318 | Existing positions reduced: 388

37% less first-time investments, than exits

New positions opened: 83 | Existing positions closed: 132

Holders
950
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$789M
Puts
$798M
Net Calls
Net Calls Change

Top Buyers

1 +$158M
2 +$140M
3 +$132M
4
BlackRock
BlackRock
New York
+$86.8M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$86.3M

Top Sellers

1 -$513M
2 -$112M
3 -$111M
4
BG
Bellevue Group
Switzerland
-$109M
5
Amundi
Amundi
France
-$99.2M
Name Holding Trade Value Shares
Change
Change in
Stake
676
$237K
677
$237K
678
$236K
679
$236K
680
$233K
681
$233K
682
$232K
683
$232K
684
$232K
685
$231K
686
$226K
687
$225K
688
$223K
689
$223K
690
$222K
691
$220K
692
$218K
693
$218K
694
$218K
695
$216K
696
$216K
697
$215K
698
$215K
699
$215K
700
$214K